code: def forward(self, net: Tensor) -> Tensor:
      inp = net
      net = self.rdb1(net)
      net = self.rdb2(net)
      net = self.rdb3(net)
      return net * 0.2 + inp
  
file_path: carefree-learn/cflearn/models/cv/translator/rrdb.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch import Tensor
  from typing import Optional
  from ....schema import IDLModel
label_desc: Use image node_id 2 for calling the RRDB obj's underlying member method code with example usage: obj.forward(net) and returns: unknown